Home / 177,942.12-266,954.70-51,585

Finding the Fourth Proportional to 177,942.12, 266,954.70 and 51,585

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Solution

The fourth proportional to 177,942.12, 266,954.70 and 51,585 is: 77,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,942.12 : 266,954.70 = 51,585 : x
  2. Step 2: Convert to fraction form
    177,942.12/266,954.70 = 51,585/x
  3. Step 3: Cross multiply
    177,942.12x = 266,954.70 × 51,585
  4. Step 4: Simplify right side
    177,942.12x = 13,770,858,199.50
  5. Step 5: Solve for x
    x = 13,770,858,199.50/177,942.12
  6. Step 6: Final answer
    x = 77,389.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.